Designation B122/B122M − 16 Standard Specification for Copper Nickel Tin Alloy, Copper Nickel Zinc Alloy (Nickel Silver), and Copper Nickel Alloy Plate, Sheet, Strip, and Rolled Bar1 This standard is[.]
Designation: B122/B122M − 16 Standard Specification for Copper-Nickel-Tin Alloy, Copper-Nickel-Zinc Alloy (Nickel Silver), and Copper-Nickel Alloy Plate, Sheet, Strip, and Rolled Bar1 This standard is issued under the fixed designation B122/B122M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision A number in parentheses indicates the year of last reapproval A superscript epsilon (´) indicates an editorial change since the last revision or reapproval This standard has been approved for use by agencies of the U.S Department of Defense Scope* Referenced Documents 2.1 ASTM Standards:3 B171/B171M Specification for Copper-Alloy Plate and Sheet for Pressure Vessels, Condensers, and Heat Exchangers B248 Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar B248M Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar (Metric) B601 Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast B846 Terminology for Copper and Copper Alloys E8/E8M Test Methods for Tension Testing of Metallic Materials E112 Test Methods for Determining Average Grain Size E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition E478 Test Methods for Chemical Analysis of Copper Alloys E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS) 1.1 This specification establishes the requirements for copper-nickel-tin alloy, copper-nickel-zinc alloy (nickel silver), and copper-nickel alloy plate, sheet, strip, and rolled bar The following alloys are covered: Nominal Composition, % Copper Alloy UNS No.2 Previously Used Designation Copper Nickel Zinc Tin Chromium C70600 C70620 C71000 C71500 C71520 C72200 C72500 C73500 C74000 C74500 C75200 C76200 C77000 90 90 80 70 70 85 89 72 70 65 65 59 55 10 10 20 30 30 15 18 10 10 18 12 18 10 20 25 17 29 27 0.5 NOTE 1—Plates of copper-nickel alloy Copper Alloy UNS Nos C70600, C70620, C71500, C71520, and C72200 for use as tube plates in surface condensers and heat exchangers are covered by Specification B171/B171M General Requirements 1.2 Units—The values stated in either inch-pound units or SI units are to be regarded separately as standard Within the text, SI units are shown in brackets The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other Combining values from the two systems may result in non-conformance with the standard 3.1 The following sections of Specifications B248 or B248M constitute a part of this specification: 3.1.1 Terminology 3.1.2 Materials and Manufacture 3.1.3 Workmanship, Finish, and Appearance 3.1.4 Sampling—except for chemical analysis 3.1.5 Number of Tests and Retests 3.1.6 Specimen Preparation 3.1.7 Test Methods 3.1.8 Significance of Numerical Limits 3.1.9 Inspection This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate, Sheet, and Strip Current edition approved April 1, 2016 Published April 2016 Originally approved in 1939 Last previous edition approved in 2011 as B122/B122M – 11 DOI: 10.1520/B0122_B0122M-16 The UNS system for copper and copper alloys (see Practice E527) is a simple expansion of the former standard designation system accomplished by the addition of a prefix “C” and a suffix “00.” The suffix can be used to accommodate composition variations of the base alloy For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org For Annual Book of ASTM Standards volume information, refer to the standard’s Document Summary page on the ASTM website *A Summary of Changes section appears at the end of this standard Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959 United States B122/B122M − 16 3.1.10 3.1.11 3.1.12 3.1.13 3.1.14 Materials and Manufacture Rejection and Rehearing Certification Test Report Packaging and Package Marking Supplementary Requirements 6.1 Materials: 6.1.1 The material of manufacture shall be a form (cast bar, cake, slab, et cetera) of Copper Alloy UNS No C70600, C70620, C71000, C71500, C71520, C72200, C72500, C73500, C74000, C74500, C75200, C76200, or C77000 of such purity and soundness as to be suitable for processing into the products prescribed herein 6.1.2 When specified in the contract or purchase order that heat identification or traceability is required, the purchaser shall specify the details desired 3.2 In addition, when a section with a title identical to that referenced in 3.1, above, appears in this specification, it contains additional requirements, which supplement those appearing in Specifications B248 or B248M Terminology 4.1 For definitions of terms related to copper and copper alloys, refer to Terminology B846 NOTE 2—Due to the discontinuous nature of the processing of castings into wrought products, it is not always practical to identify a specific casting analysis with a specific quantity of finished material Ordering Information 6.2 Manufacture: 6.2.1 The product shall be manufactured by such hotworking, cold-working, and annealing processes as to produce a uniform wrought structure in the finished product 6.2.2 The product shall be hot or cold worked to the finished size and subsequently annealed, when required, to meet the temper properties specified 5.1 Include the following specified choices when placing orders for product under this specification, as applicable: 5.1.1 ASTM designation and year of issue, 5.1.2 Copper [Alloy] UNS No designation, 5.1.3 Temper (Section 8), 5.1.4 Dimensions, thickness and width (Section 11), 5.1.5 How furnished: straight lengths or coils, 5.1.6 Quantity—Total weight or total length or number of pieces of each size 5.1.7 Type of edge, if required (slit, sheared, sawed, square corners, round corners, rounded edges, or full rounded edges), 5.1.8 Length (Section 11), and 5.1.9 Intended application 6.3 Edges: 6.3.1 Slit edges shall be furnished unless otherwise specified in the contract or purchase order Chemical Composition 7.1 The material shall conform to the chemical composition requirements in Table for the copper [alloy] UNS No designation specified in the ordering information 5.2 The following options are available but may not be included unless specified at the time of placing the order when required: 5.2.1 Heat identification or traceability details, 5.2.2 Certification, 5.2.3 Test Report, 5.2.4 If product is purchased for agencies of the U.S government (see the Supplementary Requirements of Specifications B248 or B248M for additional requirements) 7.2 These composition limits not preclude the presence of other elements By agreement between the manufacturer and purchaser, limits may be established and analysis required for unnamed elements 7.3 For alloys in which copper is listed as “remainder,” copper is the difference between the sum of results of all TABLE Chemical Requirements Copper Alloy UNS No C70600 C70620 C71000 C71500 C71520 C72200 C72500 C73500 C74000 C74500 C75200 C76200 C77000 Composition, % Copper, incl Silver Nickel, incl Cobalt Lead, max Iron, max Manganese, max Zinc Tin Chromium remainder 86.5 remainder remainder 65.0 remainder remainder 70.5–73.5 69.0–73.5 63.5–66.5 63.0–66.5 57.0–61.0 53.5–56.5 9.0–11.0A 9.0–11.0 19.0–23.0 29.0–33.0A 29.0–33.0 15.0–18.0 8.5–10.5 16.5–19.5 9.0–11.0 9.0–11.0 16.5–19.5 11.0–13.5 16.5–19.5 0.05B 0.02 0.05B 0.05B 0.02 0.05B 0.05 0.09 0.05 0.09 0.05 0.09 0.05 1.0–1.8 1.0–1.8 1.0 max 0.40–1.0 0.40–1.0 0.50–1.0 0.6 0.25 max 0.25 max 0.25 max 0.25 max 0.25 max 0.25 max 1.0 1.0 1.0 1.0 1.0 1.0 0.20 0.50 0.50 0.50 0.50 0.50 0.50 1.0B max 0.50 max 1.0B max 1.0B max 0.50 max 1.0B 0.50 max remainder remainder remainder remainder remainder remainder 1.8–2.8 0.30–0.7 A Other Named Elements B C B B C B, D Copper plus elements with specific limits, 99.5 % When the product is for subsequent welding applications and so specified by the purchaser, zinc shall be 0.50 % max, lead 0.02 % max, phosphorus 0.02 % max, sulfur 0.02 % max, and carbon 0.05 % max C Phosphorus at 0.02 % max, sulfur at 0.02 % max, and carbon at 0.05 % max D Silicon and titanium each at 0.03 % max B B122/B122M − 16 elements determined and 100 % When all elements in Table are determined, the sum of results shall be as shown in the following table: Copper Alloy UNS No Copper Plus Named Elements, % C70600 C70620 C71000 C71500 C71520 C72200 C72500 99.5 99.5 99.5 99.5 99.5 99.8 99.8 method of checking for general conformity to the specification requirements for temper, tensile strength, and grain size 11 Dimensions, Mass, and Permissible Variation 11.1 The dimensions and tolerances for product described by this specification shall be as specified in Specifications B248 and B248M 11.2 Thickness—When special thickness tolerances for Copper Alloy UNS No C72500 are required, see appropriate table 11.3 Width: 11.3.1 Slit Metal and Slit Metal with Rolled Edges 11.3.2 Square Sheared Metal 11.3.3 Sawed Metal 7.4 For alloys in which zinc is listed as “remainder,” either copper or zinc may be taken as the difference between the sum of results of all other elements determined and 100 % When all elements in Table are determined, the sum of the results shall be as shown in the following table: Copper Alloy UNS No Copper Plus Named Elements, % C73500 C74000 C74500 C75200 C76200 C77000 99.5 99.5 99.5 99.5 99.5 99.5 11.4 Length: 11.4.1 Specific and Stock Lengths With and Without Ends 11.4.2 Schedule of Lengths (Specific and Stock) with Ends 11.4.3 Length Tolerance for Square Sheared Metal 11.4.4 Length Tolerance for Sawed Metal 11.5 Straightness: 11.5.1 Slit Metal or Slit Metal Either Straightened or Edge Rolled 11.5.2 Square Sheared Metal 11.5.3 Sawed Metal Temper 11.6 Edges Contours: 11.6.1 Square Corners 11.6.2 Rounded Corners 11.6.3 Rounded Edges 11.6.4 Full-Rounded Edges 8.1 The standard tempers for products described in this specification are given in Tables and 8.1.1 Hot rolled temper M20 8.1.2 Cold rolled tempers H01 to H14 8.1.3 Annealed tempers OS015 to OS070 12 Workmanship, Finish, and Appearance Grain Size for Annealed Tempers 12.1 The product shall be free of defects, but blemishes of a nature that not interfere with the intended application are acceptable 9.1 Grain size shall be the standard requirement for all product in the annealed tempers 9.2 Acceptance or rejection based upon grain size shall depend only on the average grain size of a test specimen taken from each of two sample portions, and each specimen shall be within the limits prescribed in Table when determined in accordance with Test Methods E112 13 Sampling 13.1 Refer to sampling section in Specifications B248 or B248M 13.2 Chemical Analysis: 13.2.1 The sample for chemical analysis shall be taken from the pieces selected and combined into one composite sample in accordance with Practice E255 for product in its final form The minimum weight of the composite sample shall be 150 g 13.2.2 Instead of sampling as directed in 13.2.1, the manufacturer shall have the option of sampling at the time castings are poured or from the semi finished product The number of samples taken for the determination of composition shall be as follows: 13.2.2.1 When samples are taken at the time the castings are poured, at least one sample shall be taken for each group of castings poured from the same source of molten metal 13.2.2.2 When samples are taken from semi finished product, a sample shall be taken to represent each 10 000 lb [5000 kg] or fraction thereof, except that not more than one sample shall be required per piece 13.2.2.3 Only one sample need be taken from the semi finished product of one cast bar from a single melt charge continuously processed 9.3 Grain size shall be determined on a plane parallel to the flat surfaces of the product 10 Mechanical Property Requirements 10.1 Tensile Strength Requirements: 10.1.1 Product furnished under this specification shall conform to the tensile requirements prescribed in Table when tested in accordance with Test Methods E8/E8M 10.1.2 Acceptance or rejection based on mechanical properties shall depend only on tensile strength 10.1.3 The tension test specimens shall be taken so the longitudinal axis of the specimens is parallel to the direction of rolling 10.2 Rockwell Hardness: 10.2.1 The approximate Rockwell hardness values given in Tables and are for general information and assistance in testing, and shall not be used as a basis for product rejection NOTE 3—The Rockwell hardness test offers a quick and convenient B122/B122M − 16 TABLE Tensile Strength Requirements and Approximate Rockwell Hardness Values for Rolled Temper Product NOTE 1—Plate is generally available in only the as hot–rolled (M20) tempers Required properties for other tempers shall be agreed upon between manufacturer and purchaser at the time of placing the order Tensile Strength, ksiA [MPaB ] Temper Designation Code Name M20 H01 H02 H04 H06 H08 as hot-rolled quarter hard half hard hard extra hard spring M20 H01 H02 H04 H06 H08 as hot-rolled quarter hard half hard hard extra hard spring M20 H01 H02 H04 H06 H08 as hot-rolled quarter hard half hard hard extra hard spring M20 H01 H02 H04 H06 H08 as hot-rolled quarter hard half hard hard extra hard spring M20 H01 H02 H04 H06 H08 H10 H14 as hot-rolled quarter hard half hard hard extra hard spring extra spring super spring M20 H01 H02 H04 H06 as hot-rolled quarter hard half hard hard extra hard M20 H01 H02 H04 H06 as hot-rolled quarter hard half hard hard extra hard M20 H01 H02 H04 H06 H08 as hot-rolled hard half hard hard extra hard spring M20 H01 H02 H04 H06 H08 as hot-rolled quarter hard half hard hard extra hard spring M20 H01 H02 H04 H06 as hot-rolled quarter hard half hard hard extra hard Min Approximate Rockwell HardnessC, Max Copper Alloy UNS No C70600 and C70620 40 [275] 62 [425] 51 [350] 67 [460] 58 [400] 72 [495] 71 [490] 83 [570] 73 [505] 85 [585] 78 [540] 88 [605] Copper Alloy UNS No C71000 38 [260] 56 [385] 47 [325] 63 [435] 56 [385] 70 [485] 67 [460] 79 [545] 72 [495] 84 [580] 76 [525] 87 [600] Copper Alloy UNS No C71500 and C71520 45 [310] 65 [450] 58 [400] 72 [495] 66 [455] 80 [550] 75 [515] 88 [605] 80 [550] 92 [635] 84 [580] 94 [650] Copper Alloy UNS No C72200 42 [290] 62 [425] 55 [380] 67 [460] 58 [400] 72 [495] 71 [490] 85 [585] 73 [505] 90 [620] 78 [540] 91 [625] Copper Alloy UNS No C72500 50 [345] 70 [485] 55 [380] 75 [515] 65 [450] 80 [550] 75 [515] 90 [620] 80 [550] 95 [655] 85 [585] 100 [690] 90 [620] 105 [725] 100 [690] 125 [860] Copper Alloy UNS No C73500 48 [330] 63 [435] 56 [385] 69 [475] 63 [435] 75 [515] 73 [505] 84 [580] 79 [545] 90 [620] Copper Alloy UNS No C74000 48 [330] 63 [435] 55 [380] 70 [485] 63 [435] 77 [530] 73 [505] 87 [600] 79 [545] 91 [625] Copper Alloy UNS No C74500 48 [330] 65 [450] 56 [385] 73 [505] 67 [460] 82 [565] 80 [550] 94 [650] 89 [615] 102 [705] 95 [655] 108 [745] Copper Alloy UNS No C75200 52 [355] 65 [450] 58 [400] 72 [495] 66 [455] 80 [550] 78 [540] 91 [625] 86 [595] 98 [675] 90 [620] 101 [695] Copper Alloy UNS No C76200 55 [380] 75 [515] 65 [450] 81 [560] 75 [515] 91 [625] 90 [620] 105 [750] 99 [685] 114 [785] D G Scale B Scale Superficial 30-T 51–78 66–81 76–86 80–88 83–91 52–70 61–72 67–74 71–77 72–78 45–72 64–78 76–84 79–87 82–88 46–65 59–69 67–73 69–75 71–75 67–81 76–85 83–89 85–91 87–91 61–71 67–74 72–76 73–77 74–77 63–78 66–85 76–88 79–90 81–91 58–70 61–73 67–78 69–78 71–79 Up to 85 70–90 75–90 80–95 85–95 87–95 92 and over Up to 72 62–75 66–75 70–80 72–80 76–80 78 and over 20–47 38–53 51–61 57–65 66–80 75–84 83–88 86–90 60–70 67–73 72–75 74–76 60–80 70–85 79–91 83–93 51–80 72–87 85–92 90–94 92–96 50–70 65–75 73–78 76–79 77–80 50–75 68–82 80–90 87–94 89–96 49–67 62–72 70–76 74–79 75–80 61–85 78–91 90–95 94–98 57–74 69–77 76–79 79–81 B122/B122M − 16 TABLE Temper Designation Code Continued Tensile Strength, ksiA [MPaB ] Name H08 spring M20 H01 H02 H04 H06 H08 as hot-rolled quarter hard half hard hard extra hard spring Min Approximate Rockwell HardnessC, Max 107 [740] 122 [840] Copper Alloy UNS No C77000 60 [415] 80 [550] 69 [475] 87 [600] 78 [540] 95 [655] 92 [635] 109 [750] 102 [705] 117 [805] 108 [745] 123 [850] D G Scale B Scale Superficial 30-T 97–100 80 and over 23–62 51–69 67–76 73–80 77–83 70–88 81–92 90–96 95–99 97–100 63–75 71–78 76–80 79–82 80 and over A ksi = 1000 psi See Appendix X1 Rockwell hardness values apply as follows: The B and G scale hardness values apply to metal 0.020 in [0.508 mm] and over in thickness, and the 30-T scale hardness values apply to metal 0.012 in [0.305 mm] and over in thickness D Standard designation defined in Classification B601 B C TABLE Grain Size Requirements for Annealed (OS) Product Standard Temper DesignationA Nominal C70600, C70620, C71000, C71500, C71520, C72200, C72500, C73500, and C76200 OS035 OS015 C74000, C74500, C75200, and C77000 OS070 OS035 OS015 Copper Alloy UNS No TABLE Approximate Rockwell Hardness of Annealed Product Temper Approximate Rockwell HardnessA Standard Nominal Grain Superficial B Scale F Scale Designation Size, mm 30-T Copper Alloy UNS No C70600 and C70620 OS035 0.035 10–27 55–72 15–34 OS015 0.015 16–48 65–83 25–45 Copper Alloy UNS No C71000 OS035 0.035 18–35 67–76 28–40 OS015 0.015 35–58 76–90 40–55 Copper Alloy UNS No C71500 and C71520 OS035 0.035 23–45 70–85 31–46 OS015 0.015 37–63 74–93 40–58 Copper Alloy UNS No C72200 OS035 0.035 14–31 24–36 OS015 0.015 18–42 26–41 Copper Alloy UNS No C72500 OS035 0.035 24–39 70–81 32–42 OS015 0.015 37–61 78–92 41–58 Copper Alloy UNS No C73500 OS035 0.035 20–35 70–80 29–40 OS015 0.015 28–55 76–90 34–53 Copper Alloy UNS No C74000 OS070 0.070 5–20 OS035 0.035 20–40 OS015 0.015 35–55 Copper Alloy UNS No C74500 OS070 0.070 15–30 63–73 26–36 OS035 0.035 23–41 70–80 31–44 OS015 0.015 41–59 80–90 44–56 Copper Alloy UNS No C75200 OS070 0.070 25–40 70–80 32–43 OS035 0.035 35–55 75–88 40–53 OS015 0.015 45–70 83–93 46–64 Copper Alloy UNS No C76200 OS035 0.035 20–35 70–80 OS015 0.015 28–55 76–90 Copper Alloy UNS No C77000 OS070 0.070 29–45 72–83 35–46 OS035 0.035 37–60 76–91 41–57 OS015 0.015 47–73 84–98 47–65 Grain Size, mm Min Max 0.035 0.015 0.025 0.050 0.025 0.070 0.035 0.015 0.050 0.025 B B 0.100 0.050 0.025 A Standard designation defined in Classification B601 Although no minimum grain size is required, this material shall be fully recrystallized B 13.2.2.4 When the material is cast in the horizontal continuous casting mode, at least one sample shall be taken to represent the composition of the holder per cast coil 13.2.3 When composition of the material has been determined during manufacture, sampling of the finished product by the manufacturer is not required 14 Test Methods 14.1 Chemical Analyses: 14.1.1 In cases of disagreement, test methods for chemical analysis shall be subject to agreement between the manufacturer or supplier and the purchaser The following table is a list of published methods, some of which my no longer be viable, which along with others not listed, may be used subject to agreement: Element Copper Nickel Chromium Tin Zinc A Rockwell hardness values apply as follows: The B and F scale hardness values apply to metal 0.020 in [0.508 mm] and over in thickness and the 30-T scale hardness values apply to metal 0.015 in [0.381 mm] and over in thickness ASTM Test Method E478 E478 E478 E478 E478 (gravimetric) (AA) (photometric) (AA) 15 Keywords 15.1 copper-nickel plate; copper-nickel rolled bar; coppernickel sheet; copper-nickel strip; copper-nickel-tin plate; copper-nickel-tin rolled bar; copper-nickel-tin sheet; coppernickel-tin strip; copper-nickel-zinc plate; copper-nickel-zinc rolled bar; copper-nickel-zinc sheet; copper-nickel-zinc strip; 14.1.2 Test methods(s) to be followed for the determination of element(s) resulting from contractual or purchase order agreement shall be as agreed upon between the manufacturer or supplier and the purchaser B122/B122M − 16 UNS No C70600; UNS No C70620; UNS No C71000; UNS No C71500; UNS No C71520; UNS No C72200; UNS No C72500; UNS No C73500; UNS No C74000; UNS No C74500; UNS No C75200; UNS No C76200; UNS No C77000 APPENDIX (Nonmandatory Information) X1 METRIC EQUIVALENTS stress is the newton per square metre (N/m2), which has been named the pascal (Pa) by the General Conference on Weights and Measures Since ksi = 894 757 Pa, the metric equivalents are expressed as megapascal (MPa), which is the same as MN/m2 and N/mm2 X1.1 The SI unit for strength properties now shown is in accordance with the International System of Units (SI) The derived SI unit for force is the newton (N), which is defined as that force which when applied to a body having a mass of one kilogram gives it an acceleration of one metre per second squared (N = kg·m ⁄s2) The derived SI unit for pressure or SUMMARY OF CHANGES Committee B05 has identified the principal changes to this specification that have been incorporated since the 2011 issue as follows: (5) Changed C75200 H08 max Tensile strength from 700 MPa to 695 MPa to correct this error (6) Changed C76200 H04 max Tensile strength from 720 MPa to 725 MPa to correct this error, and changed C76200 H06 max Tensile Strength from 790 MPa to 785 MPa to correct this error (7) Changed C77000 H06 max Tensile strength from 810 MPa to 805 MPa to correct this error, changed the H06 Tensile strength from 700 MPa to 705 MPa, and changed the H08 Tensile strength from 740 MPa to 745 MPa (1) Made editorial corrections to the standard to ensure it conforms to proper form and style (2) Corrected nominal compositions of C70620, C71520, and C74500 in 1.1 (3) Changed C71520 Ni minimum to 29.0, changed C72200 Cr maximum to 0.7, added note D to C72200, removed note D from C72500, changed C72500 Mn max to 0.20, changed C72500 Zn max to 0.50, and changed C75200 Cu minimum to 63.0 All of these changes were made so the compositions are consistent with CDA (4) Changed C74500 H06 max Tensile strength from 700 MPa to 705 MPA to correct this error, and changed C74500 H08 max Tensile strength from 740 MPa to 745 MPa to correct this error ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn Your comments are invited either for revision of this standard or for additional standards 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